Home / 45,330.84-67,986-17,240.92

Finding the Fourth Proportional to 45,330.84, 67,986 and 17,240.92

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Solution

The fourth proportional to 45,330.84, 67,986 and 17,240.92 is: 25,857.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,330.84 : 67,986 = 17,240.92 : x
  2. Step 2: Convert to fraction form
    45,330.84/67,986 = 17,240.92/x
  3. Step 3: Cross multiply
    45,330.84x = 67,986 × 17,240.92
  4. Step 4: Simplify right side
    45,330.84x = 1,172,141,187.12
  5. Step 5: Solve for x
    x = 1,172,141,187.12/45,330.84
  6. Step 6: Final answer
    x = 25,857.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.